Subscriber

1. (n.) One who subscribes; one who contributes to an undertaking by subscribing.

2. (n.) One who enters his name for a paper, book, map, or the like.

Thesaurus Entries

Maecenas, Santa Claus, almoner, almsgiver, angel, approver, assignor, awarder, backer, bestower, certifier, cheerful giver, conferrer, confirmer, consignor, contributor, cosignatory, cosigner, donator, donor, endorser, fairy godmother, feoffor, financer, funder, giver, grantor, guarantor, imparter, insurer, lady bountiful, notary, notary public, party, patron, patroness, philanthropist, presenter, ratifier, settler, signatory, sugar daddy, supporter, testate, testator, testatrix, underwriter, upholder, vouchsafer